(HealthDay News) -- Runner's knee is an umbrella term for any condition that causes pain in the front of the knee. It's common among skiers, bicyclists, soccer players and others whose knees are under frequent strain.

(HealthDay News) -- It may be difficult to keep your children at a healthy weight. Experts say the best way is to offer them healthy foods and drinks, and to set a good example yourself.

THURSDAY, June 9 (HealthDay News) -- A natural compound found in apples may help prevent muscle wasting that can result from aging and illness, according to the results of a study in mice.

THURSDAY, June 9 (HealthDay News) -- Taking your dog for a walk is good for both of you.

THURSDAY, June 9 (HealthDay News) - Negative family attitudes can have an adverse effect on recovery from mental illness, according to a new study.

THURSDAY, June 9 (HealthDay News) -- Some patients with advanced cancer receive drugs that won't help them but could cause them harm, a U.S. study suggests.

THURSDAY, June 9 (HealthDay News) -- Debt may actually give some young adults a self-esteem boost, a new study suggests.

THURSDAY, June 9 (HealthDay News) -- Although nearly all American children get the recommended vaccinations to prevent serious diseases, many parents express concerns about the shots, and a small number refuse to have their kids inoculated, according to the U.S. Centers for Disease Control and Prevention.

THURSDAY, June 9 (HealthDay News) -- Children enrolled in a full-time preschool program that sees them through elementary school have a better life 25 years later than children who were not in preschool do, University of Minnesota researchers report.

THURSDAY, June 9 (HealthDay News) -- Admissions for treatment of benzodiazepine abuse nearly tripled in the United States between 1998 and 2008, while overall admissions for substance abuse rose only 11 percent, according to a government study released Thursday.

THURSDAY, June 9 (HealthDay News) -- The cholesterol-lowering drug Vytorin reduced the risk of heart disease among kidney patients by as much as 25 percent, according to the results of the largest kidney disease trial ever conducted.

THURSDAY, June 9 (HealthDay News) -- Treatment with hormone replacement therapy (HRT), if tailored to an individual woman's needs, appears to be safe during menopause, according to a report scheduled for release Friday at the World Congress on Menopause in Rome, Italy.

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

THURSDAY, June 9 (HealthDay News) -- Some 234,000 U.S. teens and adults are treated in hospital emergency rooms for injuries sustained in bathrooms every year, a new report reveals.

THURSDAY, June 9 (HealthDay News) -- Children are among those most likely to be affected by a parasitic disease called ocular toxocariasis (OT), which can lead to permanent vision loss, according to a national survey of American ophthalmologists.

THURSDAY, June 9 (HealthDay News) -- With record-breaking heat searing much of the eastern half of the United States -- and with little relief in sight -- health experts are urging people to protect themselves from the threats posed by oppressive temperatures and humidity.

THURSDAY, June 9 (HealthDay News) -- The notion that smoking somehow helps keep smokers thin has gotten new support from a study in mice -- and the finding might one day be parlayed into new drugs to control weight gain.

THURSDAY, June 9 (HealthDay News) -- The U.S. Food and Drug Administration is calling for new warning labels on a class of drugs used primarily to treat enlarged prostates, because the medications may raise the risk of developing an aggressive form of prostate cancer.